"UML" matching MCP connectors:

InvoiceXML brings e-invoice compliance to your AI agent. Create, validate, convert, render, and extract structured invoices across UBL (Peppol BIS Billing 3.0, used worldwide), CII, Factur-X, ZUGFeRD, and XRechnung, all checked against the EN 16931 standard and official Schematron rules. Ask your assistant to generate a compliant invoice, validate one for errors, or convert between formats, with no e-invoicing expertise required.

UnlOAuth

ai.unlimitless

Stop re-explaining yourself to your AI.

Extract every URL from a website sitemap, including index and gzipped sitemaps, with status checks

Turn any URL or text into Twitter threads, LinkedIn posts, Instagram captions, YouTube titles and…

Fetch URLs and return clean Markdown for RAG — nav, ads and boilerplate stripped.

toui.io URL ShortenerOAuth

io.toui

Short-link service embedded in your AI workflow — shorten links, track campaigns, read stats.